General topic

Questions

 

 

 

Toner cartridges

●

Is each toner cartridge installed correctly?

 

 

 

Transfer unit and fuser

●

Are the transfer unit and fuser installed correctly?

 

 

 

Doors

●

Is the front door closed?

 

 

 

Condensation

●

Does condensation occur following a temperature change (particularly in

 

 

winter following cold storage)? If so, wipe affected parts dry or leave the

 

 

product on for 10 to 20 minutes.

 

●

Was a toner cartridge opened soon after being moved from a cold to a warm

 

 

room? If so, allow the toner cartridge to sit at room temperature for 1 to 2

 

 

hours.

 

 

 

Miscellaneous

●

Check for and remove any non-HP components (for example, toner cartridges

 

 

or memory modules) from the product.

 

●

Check to see whether the hardware or software configuration has changed or

 

 

the problem is not associated with any specific software.

 

●

Remove the product from the network and ensure that the failure is associated

 

 

with the product before beginning troubleshooting.

 

●

For any print-quality issues, calibrate the product. See Calibrate the product

 

 

on page 137

 

 

 

Power-on checks

When you turn on the product, if it does not make any sound or if the control-panel display is blank, check the following items:

●Verify that the product is plugged directly into an active electrical outlet that has the correct voltage. Do not plug the product into a surge protector or power strip.

●Verify that the power button is in the on position.

●Verify that the formatter is seated correctly.

●Remove any HP Jetdirect or other devices, and then try to turn the product on again.

●Ensure that the control-panel display is connected.

●Check the two fuses on the power supply.

●If necessary, replace the power supply.

●If necessary, replace the DC controller.

ENWW

Troubleshooting process 115